National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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10NM NNW Cape Romain Buoy MR

Marine Point Forecast [NOTICE]

Overnight

Chance Showers

E 10kt
1-2ft

Sunday

Heavy Rain

Winds IncreasingESE 21kt
Waves Building4ft

Small Craft Advisory
Small Craft Advisory

Sunday
Night

Showers

SSE 18kt
3-4ft

Small Craft Advisory
Small Craft Advisory

Monday

Chance Showers

SSW 18kt
3ft

Small Craft Advisory
Small Craft Advisory

Monday
Night

Chance Showers

SW 11kt
2-3ft

Tuesday

Chance Rain

W 8kt
1-2ft

Tuesday
Night

Chance Rain

Winds IncreasingN 14kt
1-2ft

Wednesday

Chance Showers

N 17kt
2ft

Wednesday
Night

Partly Cloudy

NNW 14ktWinds Decreasing
2ft

Associated Zone Forecast which includes this point

Last Update: 12:02 am EST Nov 23, 2014
Forecast Valid: 1am EST Nov 23, 2014-6pm EST Nov 29, 2014

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST THIS MORNING THROUGH

  • SynopsisHIGH PRESSURE TO THE NORTH WILL SLOWLY GIVE WAY TO A WARM FRONT WHICH WILL MOVE NORTH THROUGH THE AREA SUNDAY. A COLD FRONT WILL THEN SHIFT TOWARD THE COAST AND OFFSHORE BY MONDAY NIGHT. THE FRONT WILL MEANDER OFF THE SE COAST INTO EARLY WEDNESDAY...BEFORE MOVING AWAY AND ALLOWING FOR HIGH PRESSURE TO RETURN INTO THE HOLIDAY WEEKEND.
  • Overnight E wind around 10 kt. A chance of showers, mainly after 4am. Seas 1 to 2 ft.
  • Sunday E wind 9 to 12 kt becoming ESE 16 to 21 kt. Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. Seas 2 ft building to 4 ft.
  • Sunday Night SSE wind 15 to 18 kt becoming SSW after midnight. Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Patchy fog after midnight. Seas 3 to 4 ft.
  • Monday SSW wind 14 to 18 kt. A chance of showers and thunderstorms. Patchy fog before 10am. Seas around 3 ft.
  • Monday Night SW wind 9 to 11 kt becoming W after midnight. A chance of showers. Seas 2 to 3 ft.
  • Tuesday W wind around 8 kt becoming N in the afternoon. A chance of rain. Seas 1 to 2 ft.
  • Tuesday Night N wind 5 to 8 kt increasing to 11 to 14 kt after midnight. A chance of rain. Seas 1 to 2 ft.
  • Wednesday N wind 15 to 17 kt. A chance of showers. Seas around 2 ft.
  • Wednesday Night NNW wind 11 to 14 kt decreasing to 8 to 11 kt after midnight. Partly cloudy. Seas around 2 ft.
*Notices:
  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.